164-790: The Salt Lake Golden Eagles were a minor professional hockey team based in Salt Lake City from 1969 to 1994. They played in the Western Hockey League from 1969 to 1974, the Central Hockey League from 1974 to 1984 and the International Hockey League from 1984 to 1994. The Golden Eagles home arena was the Salt Palace from 1969 to 1991 and the Delta Center from 1991 to 1994. In 1994 Larry H. Miller , who also owned
328-715: A Buddhist temple and Japanese Christian chapel – remain in downtown Salt Lake City. European ethnic groups and East Coast missionary groups constructed St. Mark's Episcopal Cathedral in 1874, B'nai Israel Temple in 1890, the Roman Catholic Cathedral of the Madeleine in 1909 and the Greek Orthodox Holy Trinity Cathedral in 1923. This time period also saw the creation of Salt Lake City's now defunct red-light district that employed 300 courtesans at its height before being closed in 1911. During
492-530: A corridor of contiguous urban and suburban development stretched along a 120-mile (190 km) segment of the Wasatch Front , comprising a population of 2,746,164 (as of 2021 estimates), making it the 22nd largest in the nation. With a population of 200,133 in 2020, it is the 117th most populous city in the United States . It is also the central core of the larger of only two major urban areas located within
656-401: A damaging windstorm with hurricane-force winds , amidst the wider national George Floyd protests , the global COVID-19 pandemic , and protests against pandemic measures . Salt Lake City has an area of 110.4 square miles (286 km ) and an average elevation of 4,327 feet (1,319 m) above sea level . The lowest point within the boundaries of the city is 4,210 feet (1,280 m) near
820-522: A direct connection to 1500 West would improve safety and reduce congestion on mainline I-15 and US-89 by decreasing demand on Park Lane. The project is currently in design with plans for construction in 2024. Construction of the Shepard Lane interchange started in late February of 2024 In March 2022, the Utah Department of Transportation initiated an Environmental Impact Statement (EIS) for
984-412: A distance of approximately seven miles (11 km). The project also replaced the existing pavement with new 40-year concrete, reconstructed the 14600 South ( SR-140 ) interchange as a single-point urban interchange to improve traffic flow, and installed new traffic management technology such as cameras, ramp meters, electronic message signs, and fiber optics. The project cost $ 215 million. With
1148-467: A fault segment was found at the southern edge of the convention center, and expansion plans were halted until more earthquake fault studies could be completed. The city, as well as the county , is laid out on a grid plan . Most major streets run very north–south and east–west. The grid's origin is the southeast corner of Temple Square, the block containing the Salt Lake Temple; the north–south axis
1312-476: A flourishing Chinatown in Salt Lake City nicknamed "Plum Alley", which housed around 1,800 Chinese during the early 20th century. The Chinese businesses and residences were demolished in 1952 although a historical marker has been erected near the parking ramp which has replaced Plum Alley. Immigrants also found economic opportunities in the booming mining industries . Remnants of a once-thriving Japantown – namely
1476-692: A general purpose lane from Utah SR-201 in Salt Lake City and South Salt Lake, affectionately known as "The Spaghetti Bowl", to 12300 South in Draper. In addition, the I-15/I-215 interchange in Midvale was modified, where traffic from westbound I-215 now enters directly onto I-15 prior to the 7200 South exit, instead of merging with I-215 eastbound traffic on the collector/distributor ramp then entering onto I-15 after 7200 South. The 7200 South on and off ramps were reconstructed to accommodate this modification. 7200 South
1640-580: A high-occupancy-vehicle (HOV) lane in both directions. In order to accommodate the new width of the freeway, bridges at Beck Street, US 89, and 1100 North were replaced. The bridges at 800 North and 1100 North were replaced by one bridge at 1100 North. A new single point interchange was constructed between 2008 and November 2010 at 11400 South in Draper . The project also widened I-15 from 10600 South to just past 11400 South from three to four general purpose lanes, extended
1804-507: A low mountain pass just after another ranch exit. The US 50 overlap then ends as I-15 passes through the northwestern corner of Scipio . Off the Scipio interchange, is an official rest stop courtesy of UDOT and Flying J . (US 50 eastbound serves as a connector to I-70 for southbound I-15 motorists.) Several miles north of Scipio, I-15 leaves Millard County and enters Juab County before turning northeastward again. After an interchange with
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#17330851345771968-559: A maximum difference of 7,099 feet (2164 m) being achieved with the rise of Twin Peaks from the Salt Lake Valley floor. The Salt Lake Valley floor is the ancient lakebed of Lake Bonneville , which existed at the end of the last ice age . Several Lake Bonneville shorelines can be distinctly seen as terraces on the foothills or benches of nearby mountains. Ancient folds of Lake Bonneville shorelines also lie underneath Salt Lake City, amplifying
2132-515: A more urban and suburban pattern, canal water companies were gradually replaced by culinary water systems. Downtown Salt Lake City has been a hub of commerce for the Intermountain West and its architecture reflects this history. Main Street , which was the primary commercial avenue for the city in the late 19th and early 20th centuries, anchors the historic core of the downtown area that begins at
2296-404: A new Triumph Boulevard bridge over I-15, and bike and pedestrian improvements. The final cost for the project was $ 415 million. Future elements not being constructed at this time are expected to include a new North Lehi interchange, a one-way frontage road system extended from SR-92 to the new North Lehi interchange, and freeway-to-freeway connector ramps at 2100 North to connect I-15 to
2460-464: A new curb, gutter, and sidewalk. Construction was originally scheduled to begin in 2023 however, with the additional funding nearly doubling the size and effort necessary to design the improvements, construction will begin in 2025. The Utah Department of Transportation completed the Shepard Lane environmental assessment in July 2020. The study determined that a new interchange along with widening and providing
2624-503: A north-northeast course. After several miles, there is an interchange with Manderfield Road before I-15 winds through another mountain pass and reaches the Sulphurdale interchange. This mountain pass, with a summit located at milepost 124.8, is the highest point along I-15 in Utah, at 6,611 feet (2,015 m) above sea level. After passing west of the ghost town of Sulphurdale , it reaches
2788-469: A northbound offramp and a southbound onramp. After a slight jog to the east comes the junction with US 89 (500 West). This junction straddles the north–south border between West Bountiful and Bountiful. It is also a partial interchange in that it has only a southbound offramp and a northbound onramp. It also is the beginning of the second 1-15 / US 89 overlap. Continuing north, it leaves West Bountiful and enters Centerville before reaching
2952-530: A northbound offramp and a southbound onramp. Heading north-northeast, it reaches the I-15 ;/ Legacy Highway / US 89 / Park Lane ( SR-225 ) interchange. This sprawling interchange provides a northbound offramp and southbound onramp for US 89, a southbound offramp and a northbound onramp for Legacy Parkway, as well connection with Park Lane. The interchange is just west of the Lagoon amusement park and
3116-527: A result, the population of the surrounding metropolitan area greatly outnumbers Salt Lake City. A major concern of recent government officials has been combating inner-city commercial decay. The city lost population from the 1960s through the 1980s, but experienced some recovery in the 1990s. Presently, the city has gained an estimated 5 percent of its population since the year 2000. The city has experienced significant demographic shifts in recent years. Hispanics now account for approximately 22% of residents and
3280-811: A role in the summer months, causing tropospheric ozone to peak in July & August, but in 2015 it started at the beginning of June. In 2016 Salt Lake's air quality was ranked 6th worst in the nation by the American Lung Association. It received an F grade for both ozone and particulate matter. Particulate pollution is considered especially dangerous, as the tiny pollutants can lodge deep in lung tissue. Both ozone and particulate pollution are associated with increased rates of strokes, heart attacks, respiratory disease, cancer and premature death. Outdoor air particulates have been associated with low and very low birth weight, premature birth, congenital defects, and death. Severe drought and water diversions have shrunk
3444-474: A tendency to acquire or trade for these water rights. These can then be traded for culinary water rights to water imported into the valley. At its peak, irrigation in the valley comprised over one hundred distinct canal systems, many originating at the Jordan Narrows at the south end of the valley. Water and water rights were important in the 19th and early 20th centuries. As heavy agricultural usage changed into
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#17330851345773608-443: A total average of 60 inches (152 cm), although measurable snow has fallen as early as September 17 and as late as May 28. The snowiest season was 1951–52, with 117.3 inches (298 cm), while the least snowy season was 16.6 inches (42 cm) in 1933–34. The snowiest month on record was January 1993, in which 50.3 inches (128 cm) were recorded. The nearby Great Salt Lake is a significant contributor to precipitation in
3772-464: A total of four in each direction. Just after leaving Riverdale, the Interstate enters Ogden and reaches the 31st Street (3100 South / SR-79 ) interchange. Curving back to the northwest, the freeway comes to the 24th South ( SR-53 ) interchange. Although the signage specifies "24th Street", this partial interchange (which only provides a northbound offramp and a southbound onramp)
3936-406: Is Main Street; and the east–west axis is South Temple Street. Addresses are coordinates within the system (similar to latitude and longitude ). Odd and even address numbering depends on the quadrant of the grid in which an address is located. The rule is: When traveling away from the grid center (Temple Square) or its axes (Main Street, South Temple Street), odd numbers will be on the left side of
4100-403: Is actually with Pennsylvania Avenue (also SR-53), which promptly connects with 24th Street (2400 South) northeast of the interchange. As it leaves Ogden and enters West Haven , I-15 curves to the north-northwest before coming to the 21st Street (2100 South / SR-104 ) interchange. The freeway then leaves West Haven and enters Marriott-Slaterville and immediately crosses
4264-671: Is added before it crosses the Virgin River . This marks the lowest elevation along I-15 in Utah, 2,560 feet (780 m) above sea level. Immediately north of the Virgin River and partially spanning the Santa Clara River , is the Dixie Drive interchange. A collector ramp is added between Dixie Drive and the next interchange with Bluff Street ( SR-18 ). I-15 then narrows to two lanes in each direction and turns northeast again, where it passes
4428-507: Is also a rest area for southbound traffic. At the north end of the airport, the freeway leaves Brigham City and, before continuing on a slightly more westerly, northern course. After about a mile (1.6 km) in unincorporated Box Elder County, I-15 enters Honeyville and then reaches the Honeyville ;/ Bear River (6900 North / SR-240 ) interchange. Continuing northwest, the Interstate leaves Honeyville and immediately crosses
4592-577: Is also the northern end of the I-15/I-84 overlap and the southern end of the I-15/SR-30 overlap. Straddling the northern city limits of Tremonton is another interchange signed as "Tremonton/Garland". This second interchange of the same name is with 1000 North. Curving slightly to the east, it passes by the western edge of Garland before coming to the Riverside (15200 North / SR-30) interchange, which
4756-426: Is also where the freeway leaves South Salt Lake enters Salt Lake City . After entering Salt Lake City, the Interstate jogs to the west for the next three interchanges. The first is with SR-269 and includes the offramps from northbound I-15/I-80 to eastbound 600 South and the onramps from westbound 500 South to southbound I-15/I-80. The next two interchanges are overlain and include I-80 (the northern end of
4920-622: Is an official rest stop courtesy of UDOT and Flying J. Curving northwest, it passes the eastern edge of the Provo Bay of Utah Lake before reaching Provo . Upon entering Provo, it intersects with South University Avenue (the southern terminus of US 189 ) and East Lakeview Parkway. The Interstate then continues northwest, bisecting the west side of Provo, with an interchange with Center Street ( SR-114 ) before leaving Provo and entering Orem . After an interchange with West University Parkway ( SR-265 ), immediately southwest of Utah Valley University ,
5084-464: Is home to a significant LGBT community and hosts the annual Utah Pride Festival . It is the industrial banking center of the United States. Salt Lake City and the surrounding area are also the location of several institutions of higher education including the state's flagship research school, the University of Utah . Sustained drought in Utah has strained Salt Lake City's water security , caused
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5248-423: Is in the preliminary stages of the design of a new interchange along I-15 at 1800 North. Additional funding was recently added to the project that will widen 1800 North from I-15 to 2000 West, providing improved mobility to residents of Sunset and Davis County at large. 1800 North will be reconstructed in concrete pavement and widened to include two lanes in each direction and a center turn lane, 12-foot shoulders, and
5412-717: Is just east of that town. About a mile (1.6 km) north of the last interchange is the Utah–Idaho border, where I-15 leaves the Ogden–Clearfield metropolitan area. From there, I-15 continues north to Malad City and on to Pocatello . The southwest–north alignment followed by I-15 was a major transportation corridor in the early 20th century, followed by auto trails such as the Arrowhead Trail (south from Salt Lake City), Evergreen National Highway (entire length), and Banff–Grand Canyon Road (north from Nephi ). In 1926, when
5576-510: Is just southwest of that city and is the northern end of the I-15/SR-30 overlap. Continuing a slightly winding course north, the Interstate reaches the Plymouth (20800 North / SR-13 ) interchange, which is just northwest of that town. Heading north and then to the northeast, the freeway reaches the Portage (25800 North / Center Street), which is the last interchange in the state and
5740-477: Is mediated by its unique geography, generally keeping highs and lows from reaching extremes. The primary source of precipitation in Salt Lake City is massive storms that move in from the Pacific Ocean along the jet stream from October to May. In mid-to-late summer, when the jet stream retreats far to the north, precipitation mainly comes from afternoon thunderstorms caused by monsoon moisture moving up from
5904-399: Is more economically diverse on the west side, which results in demographic differences. Interstate 15 was also built in a north–south line, further dividing east and west sides of the city. Sugar House , in southeastern Salt Lake City, has a reputation as an older neighborhood with small shops in the center. Sugar House is an area which has been the focus of redevelopment efforts such as
6068-488: Is on the southern border of Sandy , and is the first of three within that city. The next interchange is with 10600 South ( SR-151 ). The final interchange in Sandy is with 9000 South ( SR-209 ). Shortly after the last interchange in Sandy, it leaves that city and enters Midvale , with the only interchange in that city being with 7200 South ( SR-48 ). After leaving Midvale, I-15 enters Murray and immediately reaches
6232-436: Is only 22%. Winters are quite cold but rarely frigid. While an average of 127 days drop to or below freezing, and 26 days with high temperatures that fail to rise above freezing, the city only averages 6.3 days at or below 10 °F (−12.2 °C). The record high temperature is 107 °F (42 °C), which occurred first on July 26, 1960, July 13, 2002, June 16, 2021, July 17, 2022, and most recently September 7, 2022, while
6396-608: Is the capital and most populous city of the U.S. state of Utah . It is the county seat of Salt Lake County , the most populous county in the state. The city is the core of the Salt Lake City Metropolitan Statistical Area (MSA), which had a population of 1,257,936 at the 2020 census. Salt Lake City is further situated within a larger metropolis known as the Salt Lake City–Ogden–Provo Combined Statistical Area ,
6560-547: Is the end of the second I-15 / US 89 overlap. From this interchange, it heads northwest before leaving Farmington and entering Kaysville . Just inside Kaysville are two former rest areas. While the ramps and parking areas are still intact, there are no signage or facilities remaining. Further on is the Kaysville (200 North / SR-273 ) interchange. Continuing northwest, I-15 leaves Kaysville and enters Layton , along with its three interchanges. The first interchange
6724-438: Is the right place, drive on." Brigham Young is said to have seen the area in a vision before the wagon train's arrival. They found the broad valley empty of any human settlement. Four days after arriving in the Salt Lake Valley, Brigham Young designated the building site for the Salt Lake Temple. The Salt Lake Temple, constructed on the block later called Temple Square, took 40 years to complete. Construction started in 1853, and
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6888-727: Is the state's only Metropolitan Statistical Area through which I-15 does not pass. In 1998, the Utah State Legislature designated Utah's entire portion of the road as the Veterans Memorial Highway . The Interstate passes through the fast-growing Dixie region, which includes St. George and Cedar City , and eventually most of the major cities and suburbs along the Wasatch Front, including Provo, Orem , Sandy , West Jordan , Salt Lake City, Layton , and Ogden . Around Cove Fort , I-70 begins its journey eastward across
7052-518: Is with 2100 North / 1200 West ( US 89 / SR-85 ). This also begins the first of two I-15 / US 89 overlaps. The final interchange in Lehi is with Timpanogos Highway / Clubhouse Drive ( SR-92 ), after which the Interstate gains an additional two lanes, which is just east of Thanksgiving Point . Past Lehi, the Interstate exits the Provo metropolitan area and Utah County to enter
7216-409: Is with 650 North, which also provides direct access to the west part of the airforce base. Just after this interchange, the freeway leaves Clearfield, turns north, and enters Sunset , but has no further interchanges before leaving that city and Davis County. Just prior to the next interchange, I-15 enters Weber County and the city of Roy . After curving slightly to the east, the freeway reaches
7380-453: Is with Layton Parkway and just north of it, the express lanes end, leaving just three lanes in each direction. The next two interchanges are with Hill Field Road ( SR-232 ) and then Antelope Drive (2000 North / SR-108 ). After leaving Layton, the Interstate enters Clearfield and reaches the 700 South ( SR-193 ) interchange. From this interchange, north I-15 runs along the western edge of Hill Air Force Base . The next interchange
7544-602: The American Old West . The first group of settlers brought African slaves with them, making Utah the only place in the western United States to have African slavery. Three slaves, Green Flake, Hark Lay, and Oscar Crosby, came west with the first group of settlers in 1847. The settlers also began to purchase Indian slaves in the well-established Indian slave trade, as well as enslaving Indian prisoners of war. In 1850, 26 slaves were counted in Salt Lake County. In 1852,
7708-596: The Bear River . It then enters the town of Elwood and reaches the Tremonton / Garland (5200 West / SR-13 ) interchange. The freeway then leaves Elwood and enters Tremonton shortly after that. Just inside Tremonton is the I-15/I-84/ SR-30 junction. From this junction, I-84 and SR-30 head northwest to Snowville and on to Burley and Boise , Idaho , while I-15 continues north through Tremonton. This interchange
7872-462: The Great Basin (the other being Reno, Nevada ). Salt Lake City was founded on July 24, 1847, by early pioneer settlers led by Brigham Young who were seeking to escape persecution they had experienced while living farther east. The Mormon pioneers , as they would come to be known, entered a semi-arid valley and immediately began planning and building an extensive irrigation network which could feed
8036-508: The Gulf of California . Although rainfall can be heavy, these storms are usually scattered in coverage and rarely severe. However, downtown was hit by an F2 tornado on August 11, 1999, killing 1 person, injuring 60, and causing $ 170 million in damage. The remnants of tropical cyclones from the East Pacific can rarely reach the city during Fall. The remnants of Hurricane Olivia helped bring
8200-764: The Hotel Newhouse , and the Salt Lake Theatre . After a period of stagnation in the era of urban sprawl , and with the construction of TRAX in the late 1990s and the City Creek Center in the early 2010s, downtown Salt Lake City is experiencing a period of revival. Empty lots and older structures are in the process of being redeveloped into apartment and office towers and the city has begun to close Main Street to automobile traffic on summer weekends to encourage pedestrian activity and business. More than 5,000 new residential units are planned or under construction for
8364-610: The Jordan River and the Great Salt Lake, and the highest is Grandview Peak , at 9,410 feet (2,868 m). The city is in the northeast corner of the Salt Lake Valley surrounded by the Great Salt Lake to the northwest, the steep Wasatch Range to the east, and Oquirrh Mountains to the west. Its encircling mountains contain several narrow canyons, including City Creek , Emigration , Millcreek , and Parley's which border
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#17330851345778528-542: The Salt Lake City metropolitan area as it passes through the Point of the Mountain . As the route enters the Salt Lake Valley from only one of three other points connecting Salt Lake County and Utah County (the others being SR-68 and Traverse Ridge Road), it turns northeast to pass by the eastern edge of Bluffdale . It then enters Draper and heads north to pass through the western part of that city, with four interchanges along
8692-796: The Salt Lake Temple and concludes at the City and County Building . Halfway between those two structures, the Walker Center , at the corner of Main and 200 South, was built in 1912 and was the tallest building between Chicago and San Francisco upon its completion. Other extant pre-war structures include the Kearns Building , Hotel Monaco , the First Security Building, the Joseph Smith Memorial Building (formerly Hotel Utah),
8856-591: The UTA S-Line Streetcar . In late 2015 there were approximately 900 apartment units either recently built or under construction in the Sugar House area, with an additional 492 units proposed. Northeast of Downtown is The Avenues, a neighborhood outside of the regular grid system on smaller blocks. The area between 6th Avenue to South Temple Street is a Historical District that is nearly entirely residential, and contains many historical Victorian era homes. Recently
9020-472: The University of Utah , commercial precincts, and the Wasatch foothills. The western neighborhoods of the city, such as Poplar Grove , Rose Park , and Glendale tend to be more working-class and ethnically diverse and are popular with immigrants and young people. This divide is a result of the railroad being built in the western half as well as panoramic views from inclined ground in the eastern portion. Housing
9184-779: The Utah Jazz and the Delta Center, sold the team to Detroit interests. The Golden Eagles became the Detroit Vipers . NHL parent clubs. WHL: California Golden Seals (1972-1974) Buffalo Sabres (1970-1972) Montreal Canadiens (1969-1970) Boston Bruins (1969-1970) CHL: Minnesota North Stars (1983-1984) St. Louis Blues (1977-1983) Cleveland Barons (NHL) (1976-1977) California Golden Seals (1974-1976) Los Angeles Kings (1974-1975) IHL: New York Islanders (1993-1994) Calgary Flames (1987-1993) Salt Lake City Salt Lake City , often shortened to Salt Lake or SLC ,
9348-549: The Utah State Capitol and Democratic lawmakers have introduced legislation in the Utah State Legislature to make public transportation free during January and July, when air quality is usually at its worst. The population of the Salt Lake City metropolitan area is projected to double by 2040, putting further pressure on the region's air quality. The Great Salt Lake is separated from Salt Lake City by extensive marshlands and mudflats. The metabolic activities of bacteria in
9512-551: The Wasatch Front , and the Provo–Orem metropolitan area . Turning northeast, it enters the town of Santaquin , where US 6 begins its overlap with I-15 at the interchange with East Main Street ;/ US 6 / SR-198 . Exiting Santaquin, the Interstate turns north to pass by the western edge of Spring Lake before entering Payson , turning northeast, and reaching the 800 South ( SR-178 ) interchange. Continuing northeast,
9676-531: The Wasatch Front , between Santaquin and Brigham City ) was raised to 80 mph (130 km/h). In 2015, the UDOT raised the speed limit on the Wasatch Front urban stretch through Salt Lake City to 70 mph (110 km/h). Also, in 2016, the speed limit through the St. George metro area was raised to 70 mph (110 km/h). As of October 2016, the longest continuous high-occupancy-vehicle (HOV) facility in
9840-519: The Weber River . The next interchange is with 12th Street (1200 South / SR-39 ), at which point the freeway loses one lane in each direction. Continuing on with three lanes in each direction, the Interstate reaches the 400 North interchange. Similar to the 24th Street interchange, although signage indicates "400 North", this interchanges actually connects with Pioneer Road, which promptly connects with 400 North just east of
10004-514: The Willard Bay of the Great Salt Lake . Its next interchange is with 750 North / SR-315 . Straddling the northern border between Willard and Perry are ports of entry for both directions of traffic. Continuing north through Perry, it passes a rest area for northbound traffic before it reaches the next interchange, which is with 1100 South ( US 91 ). This interchange straddles
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#173308513457710168-451: The liquefaction of the clay- and sand-based soil and the possible permanent flooding of portions of the city by the Great Salt Lake. On March 18, 2020, a 5.7 magnitude earthquake , the largest in the Salt Lake City area in modern times, hit Magna , just southwest of Salt Lake City, causing some minor damage throughout the valley. Damage in Salt Lake City was especially evident in historic brick homes— unreinforced masonry buildings —such as
10332-557: The territorial prison in Sugar House in the 1880s for violation of anti-polygamy laws. The church began its eventual abandonment of polygamy in 1890, releasing "The Manifesto" , which officially suggested members obey the law of the land (which was equivalent to forbidding new polygamous marriages inside the US and its territories, but not in church member settlements in Canada and Mexico). This paved
10496-629: The 1892 Sears mansion which required demolition after the earthquake. The Warm Springs Fault and the East Bench Fault, offshoots of the Wasatch Fault, were found in 2021 to connect underneath Salt Lake City, increasing the risk of major metropolitan damage from an earthquake. Prior to this, in 1997 the Salt Lake Tribune published a front-page exposé about how the construction of the downtown Salt Palace convention center had been hastened by
10660-419: The 1970s. Salt Lake City has a humid continental climate ( Dsa ), while western parts may experience a Mediterranean climate ( Csa ), as summers are dry and hot and winters are cold and wet, but rarely frigid. Late summer and early fall monsoonal activity can keep precipitation fairly consistent throughout the year aside from early to mid summer when rain is minimal. The temperature of the Salt Lake City area
10824-491: The 2600 South ( SR-93 ) interchange, which is centered on the border of North Salt Lake and Woods Cross . Continuing north once again, the Interstate reaches its next interchange, which is with 500 South ( SR-68 ). Parts of this interchange are spread over three cities, with Woods Cross on the south, a panhandle of Bountiful in the middle, and West Bountiful on the north. Continuing north, it comes to another partial interchange with 400 North, which only includes
10988-517: The 5600 South ( SR-97 ) interchange, which provides access to the north end of the airforce base, including the Hill Aerospace Museum that is located immediately north of the base. The next interchange is with Riverdale Road ( SR-26 ). As a partial interchange, there is only a northbound offramp to eastbound SR-26 and a southbound onramp from westbound SR-26. (Eastbound SR-26 provides the only access to eastbound I-84 .) At this interchange,
11152-490: The Avenues is becoming known for restaurants and shops opening in old retail space mixed within the community. The Avenues are situated on the upward-sloping bench in the foothills of the Wasatch Range, with the earlier built homes in the lower elevation. The Avenues, along with Federal Heights , just to the east and north of the University of Utah , and the Foothill area, south of the university, contain gated communities, large, multimillion-dollar houses, and panoramic views of
11316-436: The Boston and Newhouse Buildings, the Utah State Capitol , and the Clift Building . Salt Lake City has two historic passenger rail depots, the Denver and Rio Grande Western Depot and the Union Pacific Depot , the latter of which now anchors the Gateway district. Salt Lake City lost many significant structures to forces such as urban renewal in the 20th century, including the Dooly Building , designed by Louis Sullivan ,
11480-455: The Cedar City I-15 Business Loop. Just north is the 200 South ( SR-56 ) interchange, which provides access to downtown Cedar City as well as the Cedar City Regional Airport . After this interchange, the freeway turns northeast before the final Cedar City interchange with SR-130 (once again). This interchange is also the northern end of the Cedar City I-15 Business Loop, although no longer indicated as such by signage. The freeway then passes by
11644-447: The Confederate States of America, marched through the city and found it had been evacuated. They continued their march through the deserted city to vacant land at the southwest corner of the valley. There they set up Camp Floyd (40 miles (64 km) south of the city). Another military installation, Fort Douglas , was established in 1862 to maintain Union allegiance during the American Civil War . Many area leaders were incarcerated at
11808-538: The Great Salt Lake by two-thirds and reduced it to its lowest recorded levels, resulting in hundreds of square miles of dry lake bed and exposing millions of people living in the fast-growing metropolitan region to dust storms laced with arsenic and other toxic chemicals. Around 65% of the diverted water goes to agriculture, but demand for water is soaring as Utah's population grows. Interstate 15 in Utah Interstate ;15 ( I-15 ) runs north–south in
11972-404: The Great Salt Lake level to drop to record low levels, and has impacted the local and state economy. The receding lake has exposed arsenic which may become airborne, exposing area residents to poisonous dust. The city is also under threat of major earthquake damage amplified by two offshoots of the nearby Wasatch Fault that join underneath the downtown area. Before settlement by members of
12136-466: The I-15 Business Loop and SR-160 —the city streets are South Main Street on the south and 1400 North on the north. Off the 1400 North interchange, there is an official rest stop, courtesy of Utah Department of Transportation (UDOT) and the local Texaco Station . The freeway then heads slightly westward until it passes by the western side of the community of Manderfield and curves back to
12300-577: The I-15 bridges at Church Street and 200 South were replaced and widened, an auxiliary lane was added from Layton Parkway to Hill Field Road, bridges at Gentile Street, 700 South, Union Pacific Railroad bridge, and 5600 South were widened and the bridge decks were replaced, the bridge at 650 North was widened, and new ramp metering was installed at the on ramps of Antelope Drive, 700 South, 650 North, and Riverdale Road. Express Lane tolling began along this corridor on October 31, 2022. The I-15 Southbound Project added
12464-586: The I-15 reconstruction project was the Utah Department of Transportation's first major Interstate reconstruction project. The project involved the renovation of 16.2 miles (26.1 km) of I-15 from 600 North in Salt Lake City to 10600 South ( SR-151 ) in Sandy . Improvements included repaving concrete, adding another general-purpose lane and a high-occupancy-vehicle (HOV) lane, along with an auxiliary lane between major interchanges in each direction through
12628-459: The I-80 overlap) and 400 South (West University Boulevard). (The later interchange only permits HOV or toll use of the northbound offramp and the southbound onramp from and to the respective express lanes of I-15/I-80.) North of the ramps with I-80, I-15 loses one lane, leaving three lanes, plus the express lane, in both directions. The next interchange is with 600 North ( SR-268 ), following which
12792-530: The Interstate 15 (I-15) Farmington to Salt Lake City Project. A 2019-2050 Regional Transportation Plan includes two projects that identify improvements to I-15 in Davis and Salt Lake Counties: • I-15 widening (from 5 lanes to 6 lanes in each direction) from Farmington to Salt Lake County line • I-15 widening (from 4 and 5 lanes to 6 lanes in each direction) in Davis County to 600 North The purpose of this EIS project
12956-509: The Interstate also transitions from Roy to Riverdale . Heading northwest, I-15 then merges with I-84, but there is no northbound access to I-84 nor westbound access from I-84 to I-15. This also begins the I-15/I-84 overlap. Immediately northwest of this interchange is the Ogden-Hinckley Airport ; however, since the airport is slightly above hill, it is not visible from the freeway. Two additional lanes are added north of this junction for
13120-509: The Interstate in the Salt Lake County region. This reconstruction cost $ 1.63 billion, with $ 448 million being federally funded and $ 1,184 million being funded by Utah . The I-15 EXPRESSLink project took place between December 2008 and fall 2010. It involved the renovation of I-15 between 500 North in Salt Lake City and the northern terminus of I-215 in North Salt Lake . Renovations included new concrete and added
13284-523: The Interstate reaches the Spaghetti Bowl , which is an interchange with I-80 and SR-201 (21st South Freeway). The southern overlap of I-80 begins at this point as well as the collector roads. The collectors, but not the main I-15 travel lanes, have interchanges with 2100 South and 1300 South, as well as West Temple Street ( SR-270 ) for northbound traffic only. (The West Temple Street offramps are signed as 900 South.) The Spaghetti Bowl
13448-660: The LDS Church, the Shoshone , Weber Ute, and Paiute had dwelt in the Salt Lake Valley for thousands of years. At the time of Salt Lake City's founding, the valley was within the territory of the Northwestern Shoshone . One local Shoshone tribe, the Western Goshute tribe, had names for the Jordan River , City Creek , and Red Butte Canyon (Pi'o-gwût, So'ho-gwût, and Mo'ni-wai-ni). The Goshutes (or, Gosiutes) also lived in
13612-585: The Latter-day Saints in July 1847, during the Mexican-American War . They had traveled beyond the boundaries of the United States into Mexican Territory seeking a secluded area to safely practice their religion away from the violence and the persecution they experienced in the United States . Upon arrival at the Salt Lake Valley, president of the church Brigham Young is recorded as stating, "This
13776-581: The Olympic games, but business did not pick up immediately following. On July 24, 2024, Salt Lake City was formally chosen by the International Olympic Committee (IOC) to host the 2034 Olympic Winter Games. All of the facilities from the previous Games can be re-used, and the bid enjoyed support from the IOC and the city. Salt Lake City hosted the 16th Winter Deaflympic games in 2007, taking place in
13940-529: The Parish Lane (400 North / SR-105 ) interchange. About a mile (1.6 km) north, I-15 begins a stretch where the Legacy Parkway (SR-67) parallels the Interstate on the west, with little more than train tracks in between. About another mile (1.6 km) north, the freeway leaves Centerville and enters Farmington . Next comes the partial interchange with 200 West ( SR-227 ), which only includes
14104-551: The President of the United States to appoint a surveyor general for Utah Territory, and to cause that the lands of that territory should be surveyed preparatory to bringing them on the market. Because of numerous conflicts between the surveyor and the territorial government the first surveyor general abandoned his post in 1857, not to return till 1869. The pioneers organized a state called State of Deseret , and petitioned for its recognition in 1849. The United States Congress rebuffed
14268-413: The Salt Lake City metropolitan area. Approximately 130 bridges were either constructed or reconstructed, including the conversion of seven diamond interchanges into single point urban interchanges , and the reconstruction of three major junctions with other Interstate and state routes, including I-80 , SR-201 , and I-215 . In addition, a traffic management system was added to the entire length of
14432-476: The U.S. is on I-15 in Utah , extending approximately 72.0 miles (115.9 km) from Spanish Fork to Layton with a single HOV lane each direction for a total of 144.0 miles (231.7 km) of HOV lanes. As of October 2022, an additional 10 miles in each direction was added extending the lanes from Spanish Fork to Riverdale for a total of 164 miles of HOV lanes. Taking place between April 1997 and July 2001,
14596-472: The U.S. state of Utah through the southwestern and central portions of the state, passing through most of the state's population centers, including St. George and those comprising the Wasatch Front : Provo–Orem , Salt Lake City , and Ogden–Clearfield . It is Utah's primary and only north–south interstate highway, as the vast majority of the state's population lives along its corridor; the Logan metropolitan area
14760-422: The United States. The project was completed on December 15, 2012—35 months from the original notice to proceed—and finished $ 260 million under budget (coming in at $ 1.465 billion total). I-15 CORE widened the freeway by two lanes in each direction and replaced the original asphalt with new 40-year concrete pavement; rebuilt 63 bridges; reconstructed 10 freeway interchanges; and extended
14924-513: The Wasatch Range. The second-highest mountain range is the Oquirrhs, reaching a maximum height of 10,620 feet (3,237 m) at Flat Top. The east–west-oriented Traverse Mountains to the south extend to 6,000' (1830m), nearly connecting the Wasatch and Oquirrh Mountains. The mountains near Salt Lake City are easily visible from the city and have sharp vertical relief caused by ancient earthquakes, with
15088-492: The Yuba Lake Road is another interchange at Mills Junction / SR-78 just southeast of Chicken Creek Reservoir. The freeway then continues roughly north-northeast until it turns northeast to pass through the southern part of Nephi and an interchange with South Main Street ( SR-28 ). The freeway then turns north to pass through the eastern side of Nephi, with an interchange with 100 North ( SR-132 ). It then curves to
15252-601: The bulb of the native sego lily , which has long been part of the ordinary diet of the Shoshone, sego being derived from the Shoshone word seego . The sego lily was commemorated by the Sego Lily Dam, a flood-prevention infrastructure project in the shape of a giant sego lily, built in Sugar House Park in 2017. The city was not platted until after the federal surveyor abandoned his post in 1857. In 1855 Congress directed
15416-408: The city has a significant LGBT community. There is also a large Pacific Islander population (mainly Samoans and Tongans ); they compose roughly 2% of the population of the Salt Lake Valley area. Salt Lake City was selected in 1995 to host the 2002 Winter Olympics. The games were plagued with controversy. A bid scandal surfaced in 1998 alleging bribes had been offered to secure the bid. During
15580-583: The city of North Salt Lake , and the Ogden–Clearfield metropolitan area , I-15 has the southbound on- and offramps for the Beck Street (US 89) interchange. Next is the junction between I-15 and I-215 (Belt Route), which only provides a southbound offramp from I-15 to I-215 and a northbound onramp from I-215 to I-15. Just after this is another partial interchange that only includes a southbound offramp to West Center Street. The freeway then heads northwest to
15744-459: The city when UTA's TRAX opened in 1999. The S Line (formerly known as Sugar House Streetcar) opened for service in December 2013 on an old D&RGW right-of-way. The city's population began to stagnate during the 20th century as population growth shifted to suburban areas north and south of the city. Few of these areas were annexed to the city, while nearby towns incorporated and expanded. As
15908-411: The city. The city also has a belt route , I-215. Salt Lake City has developed a strong tourist industry based primarily on skiing , outdoor recreation , and religious tourism . It hosted the 2002 Winter Olympics and will host the 2034 Winter Olympics . It is known for its politically liberal culture, which stands in contrast with most of the rest of the state's highly conservative leanings. It
16072-613: The city. The lake effect can enhance rain from summer thunderstorms and produces lake-effect snow approximately 6 to 8 times per year, some of which can produce prodigious snowfall amounts. It is estimated about 10% of the annual precipitation in the city can be attributed to the lake effect. Salt Lake City features large variations in temperatures between seasons. During summer, there are an average of 56 days per year with temperatures of at least 90 °F (32.2 °C), 23 days of at least 95 °F (35 °C), and 9 days of 100 °F (37.8 °C). However, average daytime July humidity
16236-479: The completion of The Point project, nearly all of I-15 along the Wasatch Front has been reconstructed within the past two decades. One last section in Lehi, from SR-92 to Main Street ( SR-73 ) remained and was widened spring 2018. The Utah Department of Transportation reconstructed the I-15 Technology Corridor between Lehi Main Street and SR-92 (Timpanogos Highway) starting in 2018. The Tech Corridor
16400-500: The country. The Interstate merges with I-80 for about 3 miles (4.8 km) from South Salt Lake to just west of Downtown Salt Lake City and merges with I-84 from Ogden to Tremonton . Along nearly its entire length through the state, I-15 winds its way along the western edge of a nearly continuous range of mountains (including the Wasatch Range in the northern half of the state). The only exceptions are when it passes through
16564-490: The county geologist who erased the Warm Springs Fault from earthquake maps of Salt Lake City so that the downtown area appeared to be free of faults, enabling the convention center developers to avoid the time and expense of an earthquake hazard and risk assessment. The newspaper showed that the Warm Springs Fault runs north–south along W. Temple, directly adjacent to Temple Square and the convention center. A year later,
16728-422: The danger of earthquakes. Salt Lake City is subject to earthquakes from active fault lines running through it. These faults are related to the regional Wasatch Fault which runs north–south along the western base of the Wasatch Range and is considered at high risk of producing an earthquake as large as 7.5 magnitude . Catastrophic damage is predicted in the event of an earthquake with major damage resulting from
16892-497: The downtown area as of April 2021 and many new breweries and restaurants have opened in the last decade. Regent Street, which in the early 20th century was the city's red-light district , has recently been redeveloped with the notable additions of the 2,468-seat Eccles Theater and 111 Main, an adjacent 24-story office building. A distinctive feature of Salt Lake City's cityscape is its very large block sizes, which are 660 feet square and separated by streets 132 feet wide, making them
17056-489: The east of side of Ash Creek Reservoir and then by the northwest corner of Zion National Park , with an interchange providing access to the Kolob Canyon area of the park. Next is an interchange that provides access to New Harmony (several miles west) and Kanarraville (several miles to the northeast). This interchange is also at the border of Washington County and Iron County . Just after entering Iron County, I-15 reaches
17220-513: The eastern city limits. The burgeoning population of Salt Lake City and the surrounding metropolitan area, combined with its geographical situation, has led to air quality becoming a concern. The Great Basin is subject to strong temperature inversions during the winter, which trap pollutants and decrease the air quality. The Utah Division of Air Quality monitors air quality and issues alerts for voluntary and mandatory actions when pollution exceeds federal safety standards. Protests have been held at
17384-464: The eastern edge of Enoch , but without an interchange within that city. After an interchange within the area of Summit , I-15 heads east-northeast before passing by the northwest edge of Parowan , with interchanges on the west (200 South / SR-143 ) and north (Main Street / SR-274 ) sides of town. After Parowan, the freeway curves back to a northeast course as it passes about a mile (1.6 km) west of Paragonah and reaches an interchange on
17548-464: The eastern side of downtown St. George , with an interchange at St. George Boulevard ( SR-34 ). The Bluff Street and St. George Boulevard interchanges are the southern and northern ends of the St. George I-15 Business Loop . From this point north, I-15 generally follows the route of the Old US ;91 , maintaining a two-lane configuration until it reaches the Wasatch Front in the north-central part of
17712-507: The final county ( Box Elder ) along its route in Utah, I-15 also enters the area of South Willard and then reaches the Willard (2000 West / SR-126 ) interchange. (SR-126 connects with US 89 just west of the interchange.) Before leaving the South Willard area and entering the city of Willard , I-15 begins about a two-mile (3.2 km) stretch that runs along the western shore of
17876-562: The first northbound exit and last southbound exit on I-15 in Utah. Heading north-northeast, it continues with two lanes in each direction until it reaches an interchange with Southern Parkway ( SR-7 ), which provides access to the St. George Regional Airport . After SR-7, the route turns north as it passes the Bloomington area of the City of St. George and an interchange at Brigham Road, where an auxiliary lane
18040-622: The first wildlife overpass built in the United States. Before 1977 the route of I-15 (and US 91 before) was also designated SR-1 by the state of Utah, but no portion of the route was signed with this number. The last section of I-15 within the state of Utah (as well as the entire length of the route) was finally completed in November ;1990, only to have major reconstruction projects commence (starting in Salt Lake County) about 7 years later. The entire length of I-15 within Utah
18204-415: The freeway enters American Fork with interchanges at 500 East ( SR-180 ) on the south end of town and West Main Street / Pioneer Crossing ( SR-145 ) on the west end of town. After American Fork, the freeway enters Lehi with its first interchange at East Main Street ( SR-73 ). At this point, the Interstate narrows to three lanes (plus an express lane) in each direction. The next interchange in Lehi
18368-493: The freeway heads north along the western side of Orem. After interchanges with Center Street, and then 800 North ( SR-52 ), the Interstate curves northwest and immediately reaches the interchange with SR-241 (1600 North / 600 South). This interchange on the border of Orem and Lindon . Continuing northwest, I-15 passes through the western side of Lindon before passing by the southwest edge of Pleasant Grove , with an interchange at Pleasant Grove Boulevard. Next,
18532-503: The freeway jogs to the west for the next two interchanges. After the 900 West interchange (which does not include a northbound offramp) is the Warm Springs Road (northbound) and 2300 North (southbound) interchange. The freeway then returns to is northern course, but before leaving Salt Lake City and Salt Lake County, it has northbound on- and offramps for the Beck Street (US 89) interchange. After entering Davis County ,
18696-509: The freeway reaches the interchange with North Main Street ( SR-115 / 3200 West) in north Payson. Maintaining its course to the northeast, it passes the eastern edge of Benjamin , with an interchange with SR-164 (8000 South), and enters Spanish Fork and gains one lane in each direction. On the north side of Spanish Fork is an interchange with North Main Street (US 6 and SR-156 ), after which I-15 turns north and gains one more lane in each direction. This interchange also marks
18860-863: The future Mountain View Corridor freeway . The Utah Department of Transportation extended the I-15 HOV/Toll Express Lanes from the Layton Parkway interchange to the Riverdale Road interchange. Construction began in May 2019 and was completed in October 2022. An HOV/Toll lane was added to both the northbound and southbound directions along the 10-mile (16 km) corridor to accommodate the growing population and traffic in northern Davis County and southern Weber County. The project included additional improvements;
19024-507: The games, other scandals erupted over contested judging scores and illegal drug use. Despite the controversies, the games were heralded as a financial success, being one of the few in recent history to turn a profit. In preparation major construction projects were initiated. Local freeways were expanded and repaired, and a light rail system was constructed. Olympic venues are now used for local, national, and international sporting events and Olympic athlete training. Tourism has increased since
19188-504: The high-occupancy-vehicle (HOV) lane that previously ended at 10600 South, and added an auxiliary lane between the two interchanges. The I-15 Corridor Expansion (CORE) project was a design–build project that reconstructed 24 miles (39 km) of I-15 in Utah County, Utah between Lehi Main Street to 8000 South Spanish Fork . The $ 1.725 billion project was the fastest billion-dollar public highway project ever completed in
19352-680: The high-occupancy-vehicle (HOV) lanes from Orem to Spanish Fork . (Prior to I-15 CORE, HOV lanes had already been installed from Lehi to Orem .) The South Davis Improvements project, which took place between April 2014 and August 2015, constructed new high-occupancy-vehicle (HOV) lanes between the I-215 interchange in North Salt Lake and the US ;89 interchange in Farmington ; replaced I-15 bridges at 2600 South, 1500 South, 500 South ( SR-68 ), and 400 North ( SR-106 ); reconfigured
19516-443: The interchange at 2600 South into a partial and 500 South into a full diverging diamond interchange ; and added active transportation improvements, with better pedestrian and bicycle facilities at 500 South, 400 North, and Parrish Lane. The entire project costed $ 126 million. The two-year Point Project widened I-15 from four to six lanes in each direction between 12300 South in Draper and SR-92 in Lehi,
19680-591: The interchange with the western end of I-70 . This interchange is on the border of Beaver and Millard counties. North of the I-15/I-70 interchange, I-70 heads east to Richfield and then toward Denver, Colorado , while I-15 continues north to pass by Cove Fort on the east and reach the Cove Fort ( SR-161 /Black Rock Road) interchange. Off the Black Rock Road interchange is an official rest stop, courtesy of UDOT and
19844-419: The interchange. North of this interchange, I-15 heads directly north to leave Marriott-Slaterville and enter Farr West . Continuing north, it reaches the 2700 North ( SR-134 ) before it curves to the north-northwest and leaves Farr West and Weber County. At the 2700 North interchange, the freeway narrows to two lanes in each direction and remains so for the remainder of its route in Utah. Upon entering
20008-558: The junction with I-215 , a beltway running through many of Salt Lake City's suburbs. Past this interchange, there are two more interchanges in Murray. The first is at 5400 South ( SR-173 ) and the second is with 4500 South / Taylorsville Expressway ( SR-266 ). After this interchange, the freeway leaves Murray and passes through the western end of Millcreek (an unincorporated suburb of Salt Lake City) before entering South Salt Lake . After an interchange with 3300 South ( SR-171 ),
20172-413: The lake result in a phenomenon known as "lake stink", a scent reminiscent of foul poultry eggs, two to three times per year for a few hours. The Jordan River flows through the city and is a drainage of Utah Lake that empties into the Great Salt Lake. The highest mountaintop visible from Salt Lake City is Twin Peaks , which reaches 11,330 feet (3,450 m). Twin Peaks is southeast of Salt Lake City in
20336-516: The largest in the United States. This and the resulting development patterns gives the city and its buildings a unique sense of scale but also a distinct challenge to urban walkability , with many streets boasting six lanes for automobile traffic. On the other hand, the extra-wide streets have made the addition of dedicated transit lanes and light rail more feasible and many streets are now being redesigned with features such as protected bike lanes, linear parks, and even spaces for urban development within
20500-425: The late 19th and early 20th centuries, an extensive streetcar system was constructed throughout the city, with the first streetcar running in 1872 and electrification of the system in 1889. As in the rest of the country, the automobile usurped the streetcar, and the last trolley was approved for conversion in 1941, yet ran until 1945, due to World War II . Trolley buses ran until 1946. Light rail transit returned to
20664-402: The local Chevron Station . I-15 meanders to the north-northeast before straightening out to the northeast–southwest of Kanosh . The freeway passes by the northwestern side of Meadow , having an interchange with North Main Street ( SR-133 ). It then passes through the western side of Fillmore . SR-99 follows the length of the I-15 Business Loop through Fillmore, connecting at 850 South on
20828-585: The medians. The city also encourages new projects to incorporate mid-block walkways and other scale-mitigation strategies into planning to promote pedestrian engagement. Salt Lake City has many distinct neighborhoods. There is a general east–west socioeconomic divide. The eastern neighborhoods of the city, such as the Avenues , 9th & 9th , Yalecrest , Federal Heights , and Sugar House tend to be more affluent. These districts are popular with professionals, families, and students due to their proximity to Downtown,
20992-512: The menu from a high-society ball. Disputes with the federal government ensued over the church's practice of polygamy . A climax occurred in 1857 when President James Buchanan declared the area in rebellion after Brigham Young refused to step down as governor, beginning the Utah War . A division of the United States Army , commanded by Albert Sidney Johnston , later a general in the army of
21156-490: The mountains south of Cedar City and, again, north of Cove Fort. From Las Vegas , Nevada , I-15 winds and slightly inclines through the Virgin River Gorge in northwest Arizona , then it crosses the border into Utah and Washington County . Just past the border, there is a port of entry on each side of the freeway. These ports of entry ( weigh stations ) are jointly operated by the states of Utah and Arizona and are
21320-521: The nearby Utah Valley (the 1776 Dominguez-Escalante expedition were undoubtedly aware of Salt Lake Valley's existence). U.S. Army officer John C. Frémont surveyed the Great Salt Lake and the Salt Lake Valley in 1843 and 1845. The Donner Party , a group of ill-fated pioneers, had traveled through the Great Salt Lake Valley in August 1846. The settling of Salt Lake City dates to the arrival of
21484-503: The north side of that city ( SR-271 ). Continuing northeast, it reaches the next pair of rest areas before an interchange with SR-20 and then a ranch exit (exit 100) before leaving Iron County. As I-15 enters Beaver County , the Interstate turns northwestward and winds its way through the mountain pass before heading north again to pass along the western edge of the city of Beaver . The southern and northern interchanges in Beaver include
21648-447: The north-northwest before reaching the interchange with the northern end of SR-28 about a mile (1.6 km) north of town. The Interstate then turns north and passes by the eastern side of Mona and has an interchange with SR-52 (300 North). Continuing north, it passes by the eastern edge of Rocky Ridge before promptly leaving Juab County and entering Utah County . As the freeway enters Utah County, it also enters Utah Valley ,
21812-531: The northern border of Perry and the southern border of Brigham City . (US 91 continues northeast to Logan and points northward.) Curving slightly to the west, the Interstate reaches the Forest Street interchange, followed by the 900 North ( SR-13 ) interchange. Immediately north of 900 North, the freeway passes immediately to the west of the Brigham City Airport . West of the airport, there
21976-466: The northern end of the overlap with US 6. (The section between Spanish Fork and Lehi was rebuilt in 2010–2012 as part of the I-15 CORE project .) Continuing north with four lanes, it gains an additional express lane in both directions. It then passes through the far west side of Springville , with interchanges at 400 South ( SR-77 ) and 1400 North ( SR-75 ). Off the 1400 North interchange
22140-597: The northwestern side of the town of Leeds , with one-way interchanges on the southwest and northeast ends of town. After passing through the northwestern part of Toquerville , and an interchange with SR-17 (at Anderson Junction ), I-15 resumes a more north-northeastern course as it ascends about 1,000 feet (300 m) higher on the Colorado Plateau . Along the way, it passes through the areas of Browse and Pintura , with interchanges at both, as well as two more ranch exits further northeast. After its ascent, it passes by
22304-443: The numbered system of U.S. highways was created, this route was signed US 91 . The route of I-15 from St. George to Brigham City was built along the corridor of what was US 91 from 1926 to 1974. In 1974, I-15 was reasonably intact and US 91 was deleted, with the unfinished segments signed as Temporary I-15. The route north of Brigham City was built along the corridor of an old routing of US 191 . This highway
22468-464: The population and foster future growth. Salt Lake City's street grid system is based on a standard compass grid plan, with the southeast corner of Temple Square (the area containing the Salt Lake Temple in downtown Salt Lake City) serving as the origin of the Salt Lake meridian . Owing to its proximity to the Great Salt Lake , the city was originally named Great Salt Lake City. In 1868, the word "Great"
22632-418: The record low is −30 °F (−34 °C), which occurred on February 9, 1933. During mid-winter, strong areas of high pressure often stagnate over the Great Basin , leading to strong temperature inversions . This causes air stagnation and thick smog in the valley from several days to weeks at a time and can result in the nation's worst air-pollution levels. This same effect will also occasionally play
22796-626: The record monthly precipitation of 7.04 inches (179 mm) in September 1982. 1983 was the wettest year on record, with 24.26 inches (616 mm), while 1979 was the driest, when 8.70 inches (221 mm) were recorded. Spring snowmelt from the surrounding mountains can cause localized stream flooding during late spring and early summer, the worst examples being in 1952 and especially 1983, when City Creek burst its banks, forcing city engineers to convert several downtown streets into waterways. Snow falls on average from November 6 to April 18, producing
22960-622: The rest of the city. Smith's Plat of Zion specified the city was to be developed into 135 10-acre (4.0 ha) lots. However, the blocks in Salt Lake City became irregular during the late 19th century when the Church of Jesus Christ of Latter-day Saints lost authority over growth and before the adoption of zoning ordinances in the 1920s. The original 10-acre (4.0 ha) blocks allowed for large garden plots, and many were supplied with irrigation water from ditches that ran approximately where modern curbs and gutters would be laid. The original water supply
23124-475: The settlers in 1850 and established the Utah Territory , vastly reducing its size, and designated Fillmore as its capital city. Great Salt Lake City replaced Fillmore as the territorial capital in 1856, and the name later was shortened to Salt Lake City. The city's population continued to swell with an influx of converts to the LDS Church and Gold Rush gold seekers, making it one of the most populous cities in
23288-451: The source of the unusual width. These wide streets and grid pattern are typical of other Mormon towns of the pioneer era throughout the West. Though the nomenclature may initially confuse new arrivals and visitors, most consider the grid system an aid to navigation. Some streets have names, such as State Street, which would otherwise be known as 100 East. Other streets have honorary names, such as
23452-511: The southernmost rest areas along its route within the state (with one each, northbound and southbound). After passing about a mile (1.6 km) west of Kanarraville, it reaches an interchange in Hamilton Fort . The freeway then briefly turns nearly east before turning north again to pass through the west side of Cedar City . The first interchange is at the southern end of SR-130 (Main Street) and
23616-614: The southwestern part of town and North Main Street / Cedar Mountain Road on the northern city limits. Off the North Main Street interchange, there is an official rest stop courtesy of UDOT and the local Chevron Station. Continuing north-northwest, it has an interchange with 5400 North / Maple Hollow Road ( SR-64 ) before passing by the southeast edge of Holden . Several miles northeast of Holden, US 50 merges with I-15 as it continues northeastward and eventually heading through
23780-437: The state. (The route of Old US 91, in turn, followed the older Arrowhead Trail highway to Salt Lake City .) After leaving St. George, I-15 continues northeast and passes through the northern part of the city of Washington . An auxiliary lane is added between St. George Boulevard and Green Springs Road with additional interchanges at Washington Parkway and State Street ( SR-9 ). Northeast of Washington, I-15 passes through
23944-536: The street. A common explanation for the unusually wide streets of Salt Lake City is that Brigham Young wanted a wagon with a team of oxen to be able to turn around. However, Young was never recorded giving this directive. Joseph Smith, founder of the Latter Day Saint movement, planned the layout in the " Plat of the City of Zion " (intended as a template for Mormon towns wherever they might be built). This plan included streets 132 ft (40 m) wide, and may be
24108-537: The summer of 2007, 9th and 9th saw sidewalk and street improvements as well as an art installation by Troy Pillow of Seattle, Washington inspired by the 9 Muses of Greek myth, thanks in part to a monetary grant from Salt Lake City. Many of the homes in the valley date from pre–World War II times, and only a select few areas, such as Federal Heights and the East Bench, as well as the far west side, including parts of Rose Park and Glendale, have seen new home construction since
24272-412: The temple was dedicated on April 6, 1893. The temple has become an icon for the city and serves as its centerpiece. The southeast corner of Temple Square is the point of reference for the Salt Lake meridian , and for all addresses in the Salt Lake Valley. During the winter of 1847, an outbreak of measles killed many of the Shoshone in the area. The Shoshone saved the pioneers when they taught them to eat
24436-641: The territorial legislature passed the Act in Relation to Service and the Act for the relief of Indian Slaves and Prisoners formally legalizing slavery in the territory. On June 19, 1862, during the American Civil War , Congress prohibited slavery in all US territories. Explorer, ethnologist, and author Richard Francis Burton traveled by coach in the summer of 1860 to document life in Great Salt Lake City. He
24600-399: The unconstructed sections was estimated. After the entire length of the freeway was completed, there was a discrepancy of an extra three miles (4.8 km) along all sections north of Nephi. UDOT had been aware of the problem for many years but delayed corrective action for the issue.) The following year, in 2005, UDOT renumbered the exits to correspond to the corrected mile markers. The result
24764-594: The valley. Many consider this some of the most desirable real estate in the valley. In addition to larger centers like Sugar House and Downtown, Salt Lake City contains several smaller neighborhoods, each named after the closest major intersection. Two examples are the 9th and 9th (at the intersection of 900 East and 900 South Streets) and 15th & 15th (at the intersection of 1500 East and 1500 South Streets) neighborhoods. These areas are home to foot-traffic friendly, amenities-based businesses such as art galleries, clothing retail, salons, restaurants and coffee shops. During
24928-423: The venues in Salt Lake City and Park City , and Rotary International chose the city as the host site of their 2007 convention, which was the single largest gathering in Salt Lake City since the 2002 Winter Olympics. The U.S. Volleyball Association convention in 2005 drew 39,500 attendees. In 2020, the city experienced a 5.7 magnitude earthquake , protests against the killing of Bernardo Palacios-Carbajal , and
25092-527: The vicinity of Salt Lake and the valleys to the west. The land was treated by the United States as public domain; no aboriginal title by the Northwestern Shoshone was ever ceded or relinquished by treaty with the United States. The first explorer of European descent in the Salt Lake area was likely Jim Bridger in 1825, although others had been in Utah earlier, including some who traveled as far north as
25256-564: The way for statehood in 1896, when Salt Lake City became the state capital. The First Transcontinental Railroad was completed in 1869 at Promontory Summit on the north side of the Great Salt Lake. A railroad was connected to the city from the Transcontinental Railroad in 1870, making travel less burdensome. Mass migration of different groups followed. Ethnic Chinese (who had laid most of the Central Pacific railway) established
25420-461: The way. The first is with Highland Drive / 14600 South ( SR-140 ). The next interchange is with Bangerter Highway ( SR-154 ). The third interchange in Draper is with 12300 South (US 89 / SR-71 ). This interchange is also where US 89 ends its first overlap with the Interstate and where I-15 curves slightly to the west. The final interchange in town is on the northern city limits at 11400 South ( SR-175 ). This interchange
25584-592: The western portion of 300 South, named "Adam Galvez Street" (for a local Marine corporal killed in action) or others honoring Rosa Parks , Martin Luther King Jr. , César Chávez , Harvey Milk , and John Stockton . These honorary names appear only on street signs and cannot be used in postal addresses. In the Avenues neighborhood , north–south streets are given letters of the alphabet, and east–west streets are numbered in 2.5-acre (1.0 ha) blocks, smaller than those in
25748-449: Was also deleted once I-15 was reasonably intact. However, a different route in Utah was redesignated US 191 in 1982. Also, by the time it completed the section, UDOT recalibrated the mileposts and renumbered the exits, reducing the overall distance by approximately three miles (4.8 km). In 1975, UDOT would construct a wildlife crossing located near the town of Beaver. The Utah Division of Wildlife Resources considers this to be
25912-487: Was designated by the Utah Legislature in 1998 as the Veterans Memorial Highway . In 2004, UDOT finally renumbered the mile markers along I-15 north of Nephi . (When I-15 was originally built, there were several large gaps along the route, including south of Nephi. In addition, the original plans for I-15 were to run along the west side of Nephi, instead of the final alignment along the city's east side. Mileage along
26076-513: Was dropped from the city's name. Immigration of international members of the Church of Jesus Christ of Latter-day Saints (LDS Church), mining booms , and the construction of the first transcontinental railroad brought economic growth, and the city was nicknamed "The Crossroads of the West". It was traversed by the Lincoln Highway , the first transcontinental highway, in 1913. Two major cross-country freeways, I-15 and I-80 , now intersect in
26240-414: Was exit numbers north of Nephi were reduced by three. In January 2009, the speed limit on two sections of I-15 together totaling 34 miles (55 km) was raised to 80 mph (130 km/h) as a "test", making Utah the second state to currently have speed limits greater than 75 mph (121 km/h). In September 2013, with a few brief exceptions, the speed limit north of Leeds (other than
26404-575: Was expanded to three lanes from I-15 to Bingham Blvd in both directions and the Union Pacific Rail Road Bridge (USRR) over 7200 South was reconstructed. The I-15 portion of this project started in the spring of 2018. A new general purpose lane from 7800 South to 12300 South was completed in December ;2018 and the new general purpose lane from SR-201 to 7200 South was completed in 2020. The Utah Department of Transportation
26568-528: Was from City Creek . Subsequent development of water resources was from successively more southern streams flowing from the mountains east of the city. Some old irrigation ditches are still visible in the eastern suburbs, or are still marked on maps, years after they were gone. There are still some canals that deliver water as required by water rights. Many lots, in Salt Lake City and surrounding areas, have irrigation water rights attached to them. Local water systems, in particular Salt Lake City Public Utilities, have
26732-467: Was granted unprecedented access during his three-week visit, including audiences with Brigham Young and other contemporaries of Joseph Smith. The records of his visit include sketches of early city buildings, a description of local geography and agriculture, commentary on its politics and social order, essays, speeches, and sermons from Young, Isaac Morley, George Washington Bradley and other leaders, and snippets of everyday life such as newspaper clippings and
26896-528: Was the last section of I-15 in Utah County to be reconstructed in recent years. The actual construction elements included was based on the results of the ongoing engineering, traffic, and cost analysis. Those elements include I-15 reconstructed and widened with two new lanes in each direction from Lehi Main Street to SR-92, a one-way frontage road system from 2100 North to SR-92, interchange reconstruction at SR-92 and 2100 North, 13 bridge replacements,
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